Toothbrush



FIG. 1 is a front perspective view of a toothbrush according to the new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a greatly enlarged top view thereof;

FIG. 8 is a greatly enlarged bottom view thereof;

FIG. 9 is an enlarged detail view of area 9 of FIG. 1; and,

FIG. 10 is an enlarged detail view of area 10 of FIG. 3.

The claim consists of the features shown on the front of the head of the toothbrush. The broken lines showing the rest of the head and the handle illustrate portions of the toothbrush that form no part of the claimed design. 

CLAIM The ornamental design for a toothbrush, as shown and described. 